Feeder for threshing-machines.



J. GAYRAUD. Y FEEDER FOR THRESHING MAOHINBS.. APPLICATION FILED JAN. 12,1910.

973,496, Patented 0615.25, 191o. A

2 SHEETS-SHEET 1.

THE Nonni: PETER: cu..'wAsI-|1Narau, D, c.

LGA'YRAUD.

FEEDER POB .THRESHING MACHINES. u

, A Patented 0t.25,1910.'

2 SHEETS-SHEET 2.

APPLICATION FILED JAN. 12, 1910.

UNITED sTATEs PATENT oEEioE.

JOSL GAYRAUD, `or BUENos AYREs, ARGENTINA FEEDER FOR THRESHING-MACHINES.

Specification of Letters Patent.

Patented Oct. 25, 1910.

Application filed' January 12, 1910. Serial No. 537,675.

To all whom t mayconcerm Be it known 'that I, JosE' GAYRAUD, a citizenof France, farmer, residing at 25 de Mayo street, Buenos Ayres,Argentina, have invented a Feeder yfor Threshing-Machines, of which thefollowing is a specification.

This invention relates to threshing machines and especially to devicesdesigned to feed the stock to the threshing cylinder.

An object of the invention is to provide a feeder, which is adapted toloosen the stock before it is conveyed into the cylinder.

Another object of the invention is to convey the stock after it has beenloosened in one direction only toward the threshing cylinder.

Another object of the invention is to connect the feeding means with theloosening means, so that they are actuatedl simultaneously.

Another object of the invention is to provide a stock support adjacentthe feeding means, which stock support may be adjusted with respect tothe feeding means.

Other objects will be more fully understood by reference to thefollowing specification, the accompanying drawings and the appendedclaims.

One preferred embodiment of the invention is shown in the accompanyingdrawings, but it will be understood that changes in the specificstructure may be made within the scope of the claims without idepartingfrom the spirit of the invention.

Figure 1 shows a side elevation, partly in section of the feedingdevice. Fig. 2 is a rear view of the same, certain parts being shownbroken away for the sake of better illustration. j j n A feeding tower3, mounted on top of the threshingmachine proper, is supported by meansof inclined uprights 1. The feeding tower preferably is of cylindricalshape and open on its lower end on which it is pro.- vided with apreferably inwardly projecting flange 2, adapted to slide within anannular guide 40 angular in cross section, likewise supported on thebraces 1. As indicated in Fig. 21a part of the cylindrical wall of thetower may be cut away so as to allow a conveyer 33 to extend into thetower. A shaft 4 disposed .within said tower is provided with aplurality of curved arms, said arms being mounted with one end on saidshaft, the other end of said arms being free. As indicated in thedrawing, these arms feeding tower.

are curved in helical or approximately helical shape, which ispreferably adapted to receive the stock from the conveyer 33 and toscatter and loosen the same in its conveyance through the feeding'tower.A transverse member 6, fastened intermediate its ends on said shaft, isadapted in its rotation to support'the material loosened by the actionof the helically bent arms 5 and to whirl said material in the lowerpart of the The transverse member 6 preferably is of a bent shape andlongitudinally twisted, so as to resemble a conveying wing. A shaft 7 towhich a pulley 32 on the outside of the machine is attached, serves totransmit a rotary motion to the shaft 4 by means of bevel gears 8 and 9.,For the purpose 4of preventing the spread of the stock in alldirections below the transverse whirling member 6 a conveyer 10 isdisposed at one side of the shaft 4 and preferably below the same, saidconveyer also beingk driven by the shaft 7. A shaft 12 provided with apulley, may serve as a supporting point for the conveyer, which conveyerpreferably islprovided with a plurality of transverse slats 41.

A threshing cylinder 11 as indicated in Fig. 1 is disposed with respectto the shaft 4 and the conveyer 10, so that said conveyer prevents theintroduction of stock to the threshing cylinder from the left half ofthe base of the tower. The conveyer 10 not only is in the path of thestock leading to the threshing cylinder, but it also conveys stockthrown toward the left half of the base by the whirling member 6 towardt-he center thereof from which through the action of the whirling memberit is conveyed into the feeding means.

The feeding means include a plurality of arms 15, each secured to therock shaft 16, which is journaled in the frame 42 of the thresher and issubstantially parallel with the threshing cylinder. The said shaft 16 isat one end provided with a link 17, which link is connected to anotherlink 18, said last named link being fastened to a crank arm 19 on theshaft 7 A plurality of holes 20 are provided in one of the said links,so that by securing these links together by inserting the pin in eitherone of said holes the swinging motion of the link 17 may be increased ordecreased as desired. For the n purpose of'having the amount of stockconveyed to the oscillating arms 15 more uniform, a rotary beater 1li isdisposed between the transverse whirling member 6 and the feeding arms15.

A wiping member is mounted on shaft 16 and preferably on the oppositesides thereof to the arms 15 and as shown, said wiping member comprisesa board 21 mounted longitudinally with respect to said shaft andfastened thereon by means of strips 22, secured at one end to the shaft16. The lower end of said board may be extended by means of anadjustably secured ange 23 thereon. This flange preferably is of angularform, one leg of the angle being rovided with a plurality of slots 24,with astening screws extending therethrough, so that the angular flange23 may be shifted toward or from the free edge of the board 21 and maybe fastened in any desired position with respect thereto. A preferablycurved support 25 is mounted in the frame of the machine and the heightof said support with respect to the wiping member 21 may be adjusted bymeans of nuts 27, engaging bolts which project through slots 26 in theframe of the machine.

A shaft 30 provided with a gear wheel 31 on top of the feeding tower ispreferably equipped near its inner end with a bevel gear 29. Said lastnamed bevel gear meshes with a bevel gear 28, mounted near the top ofthe shaft 4, so that by rotation of said shaft a rotary motion isimparted to the gear 31. By means of driving chains or other drivingconnections engaging gear wheel 31 but not shown in the drawing, anendless conveyer running within the trough 33 may be driven.

For the purpose of preventing engagement of the stock with the bevelgears 8 and 9 at the base of the feeding tower, a protecting hood 13 isfastened near the lower end of the shaft 4.

The operation of the device is as follows: The stock is supplied to thefeeding tower by means of the conveyer 33 and it is loosened andscattered therein by the helical bent arms 5. It may easily be seen thatby the feature according to which these arms are provided with freeends, and on account of their peculiar shape they are particularlyadapted to obtain a thorough loosening of the stock, simultaneouslyconveying the same downwardly. A further continued scattering of thestock is obtained by the whirling motion of the transverse member 6,disposed below the helically bent arms. After the stock has beenthoroughly loosened, it is conveyed to the threshing cylinder throughthe oscillating movement of the curved arms 15 which in their swingingmovement grasp a certain amount of the stock and convey the samedownwardly so that it will drop onto t-he support 25. The conveyer 10,is arranged at the base of the feeding tower, and prevents the stockfrom approaching the threshing cylinder in any direction dierent fromthe direction in which the feeding means convey the same against, thethreshing cylinder. The conveyer also contributes to supp-ly the feedingmeans uniformly with a certain amount of stock. Adjustment of the wipingmember 2l is had either by adjusting the stock support by means of thebolts 27 or by lengthening the wiping member extending the fiange 23.

I claim 1. In a feeder of the class described the combination of arotatory shaft, a plurality of helically bent arms in superpositionmounted with one end on said shaft, a member transversely disposed withrespect to said shaft and mounted thereon below said arms, said memberbeing twisted with respect to its longitudinal axis and means forrotating the shaft.

2. In a feeder of the class described the combination with a rotatoryshaft, a plurality of helically bent arms mounted with one end on saidshaft, a threshing cylinder disposed below' said shaft, means forrotating said shaft, a second shaft disposed parallel to said cylinder,a plurality of bent arms mounted with one end on said second shaft andmeans in coaction with said rotating means for oscillating said secondshaft.

3. In a feeder of the class described the combination with a threshingcylinder, of means for conveying stock in one direction to saidcylinder, said means including a wiping member disposed parallel to saidcylinder and substantially perpendicular with respect to the directionof conveying and means for oscillating said wiping member.

4. In a feeder of the class described the combination with a threshingcylinder, a shaft disposed parallel to said threshing cylinder, aplurality of curved arms mounted with one end on said shaft, a wipingmember mounted on said shaft, and means for oscillating said shaft.

5. In a feeder of the class described the combination with a feedingtower, of a rotatory shaft vertically disposed in said feeding tower, aplurality of helically bent arms mounted with one end on said shaft,means for rotating said shaft, a threshing cylinder, a shaft disposedparallel to said threshing cylinder, a plurality of curved arms mountedon said shaft, a wiping member mounted on said shaft and means foroscillating said sha-ft, said last named means being in coaction withsaid rotating means.

6. In a feeder of the class described the combination with a feedingtower, of a rotatory shaft vertically disposed in said feeding tower, aplurality of helically bent arms mounted with one end on said shaft,means for rotating said shaft, a threshing cylinder, a conveyer adaptedtoconvey stock inserted in said feeding tower to one side of saidthreshing cylinder, means in coaction with said rotating means fordriving said conveyer, a shaft disposed parallel to said threshingcylinder, a plurality of curved arms mounted with one end on said shaft,a board mounted, on said shaft and means for oscillating said shaft,said oscillating means being in coaction with said rotating means.

7. In a feeder the combination with a threshing cylinder, a shaftdisposed parallel to said cylinder, a wiping member mounted on saidshaft longitudinally with respect thereto, means for changing the widthof said member and means for oscillating said shaft.

8. In a feeder the combination with a threshing cylinder, a shaftdisposed parallel to said cylinder, a wiping member mounted on saidshaft longitudinally with respect thereto, an angular flange adj ustablymounted at the free end of said member and means for oscillating saidshaft.

9. In a feeder the combination with a threshing cylinder, a shaftdisposed parallel to said cylinder, a wiping member mounted on saidshaft longitudinally with respect thereto, a support for the stock inopposition to said wiping member, means for adjusting the height of saidsupport with respect to said wiping member, and means for oscillatingsaid shaft.

l0. In a feeder the combination of a feeding tower, a shaft verticallydisposed therein, a plurality of helically bent arms mounted with oneend on said shaft, means for rotating said shaft, a threshing cylinder,a second shaft disposed parallel to said cylinder, a board mounted onsaid second shaft, a stock support in opposition to said board, meansfor adjusting the height of said support with respect to said board, aplurality of curved arms mounted on said second shaft, and means incoaction with said rotating means for oscillating said second shaft.

11. In a feeder the combination of a rotatable feeding tower, a. shaftvertically disposed therein, a plurality of helically bent arms mountedwith one end on said shaft, a member transversely disposed with respectto said shaft and mounted thereon intermediate its ends below said arms,said member being twisted longitudinally, a threshing cylinder belowsaid tower, a conveyer intermediate said shaft and said threshingcylinder, said conveyer being adapted to convey stock from said feedingtower to one side of said cylinder, driving means for said conveyer incoaction with said rotating means, a second shaft disposed parallel tosaid cylinder, a plurality of curved arms mounted with one end on saidsha-ft, a board mounted on said shaft in opposition to said arms, meansfor oscillating said shaft in coaction with said rotating means, aflange adjustably secured to said board on the free edge thereof, astock support in opposition to said flange, and means for adjusting theheight of said support with respect to said iange.

In testimony whereof I affix my signature inpresence of two witnesses.

Jos GAYRAUD. Witnesses:

Josn Y. GALLARDO, JOS ROBLES.

